Isys 406 Ch 1 terms

server farm

A large concentration of servers working together

disadvantages of ERP

A potential disadvantage is that ERP systems generally impose an overall structure that might or might not match the way a company operates.

System

A set of related components that produce a specific results

Systems analysis and design

A step-by-step process for developing high-quality information systems

vertical system

A system designed to meet the unique requirements of a specific business or industry such as a web based retailer the medical practice or an auto dealership.

horizontal system

A system such as the inventory or payroll application that can be adapted for use in many different types of companies.

CASE Computer aided systems engineering tools

A technique that uses powerful software to help systems analysis develop and maintain information systems which provide an overall framework for systems development and support a wide variety of design methodologies including structured analysis and object oriented analysis.

empowerment

A trend that gives employees more responsibility and accountability. Many companies find the empowerment improves employee motivation and increase his customer satisfaction.

Systems analyst

A valued member of the IT department team who helps plan develop and maintain information systems

e-commerce includes two main sectors

B2C business to consumer in B2 B business to business

Moore's law

Gordon Moore a cofounder of until predicted that the number of transistors on an integrated circuit Chip would double about every 24 months this law has remain valid for almost 50 years.

strategic plans

Long range plans developed by top managers which define the company's overall mission and goals.

management information systems

New systems that can produce valuable information for managers who are the primary users.

Enterprise resource planning ERP

Systems provide cost-effective support for users and managers throughout the company many firms have been able to achieve dramatic cost reductions some companies have been disappointed in the time money and commitment necessary to implement ERP successfully.

user productivity systems

Technology that improves productivity such as email voicemail facts video web conferencing wordprocessing automated calendars database management spreadsheets desktop publishing presentation graphics company internets an integrated mobile computer being systems user productivity systems also include groupware

RF ID radiofrequency identification technology

The newest availment in data acquisition which uses high frequency radio waves track physical objects such as the items in big stores and places like that.

business process

The specific set of transactions events and results they can be described and documented.

I commerce

also called Internet commerce is the same as e-commerce

Business profile

an overview of a company's mission functions organization products services customers suppliers competitors constraints and future direction.

Business support systems

can work hand-in-hand with the TP system for an example when a company sells merchandise to a customer the TP system records to sell updates the computers balance make seduction from inventory.

information system

combines technology people and dated to provide support for business functions such as order processing am in Tori control human resources accounting and many more. Handles routine day today tasks while others can help managers make better decisions spot marketplace trends and reveal patterns that might be hidden stored data

Enterprise applications

companywide applications that include order processing systems payroll systems in company communication networks. On a smaller scale individuals can boost productivity with tools such as spreadsheets presentation software and database management systems.

Data

consists of basic facts that are the systems raw material

hardware

consists of everything in the physical layer of the information system can include servers workstations networks telecommunications equipment fiber optic cables mobile devices scanners digital capture devices and other technology based infrastructure

Application software

consists of programs that support day-to-day business functions and provide users with the information they need.

decision support capability

decision support helps users make decisions by creating a computer model in applying a set of variables alternatively a retailer my use what if analysis to determine the price it must charge to increase profits by a specific amount wall volume and costs remain unchanged.

business model

describes the information that assistant must provide analysts also create models to represent data objects networks another system components although the models might appear to overlap they actually work together to describe the same environment from different points of view.

processes

describes the tasks and business functions that users manager and IT staff members perform to achieve specific results.

e-commerce

electrical commerce Internet-based systems involved various hardware and software designs that are typical model is a series of webpages that provides a user interface which communicates with database management software and the web-based data server

electronic data interchange the EDI

electronic commerce between two companies use the data arrangementno comments.

groupware

enable users to share data collaborate on projects and work in teams

Business process model BPM

graphically displays one or more business processes such as handling an airline reservation feeling a product order updating a customer account.

information system

has five key components hardware software data processes and people

Business process modeling notation BPMN

include standard shapes in symbols to represent events processes workflows and more.

Proto type

is an early working version of an information system which test system concepts and provides an opportunity to examine input output and user interface is before final decisions are made

information

is data that has been transformed into output that is valuable to users

mission-critical system

is one that is vital to accompany his operation. The company cannot do business without it.

knowledge base

knowledge management systems use a large database that allows users to find information by entering keywords or questions and normal English Or in English phrases. a knowledge management system uses inference rules which are logical rules that identify data patterns and relationships.

inference rules

logical rules that identify data patterns and relationships.

System software

manages the hardware components which can include a single workstation or global network with many thousands of clients.

Legacy systems

older systems which may need to be integrated with newer systems.

stakeholders

people who have an interest in an information system. Includes the management group responsible for the system the users inside and outside the company will interact with the system and IT staff members such as systems analyst programmers in network administrators who develop and support the system

transaction processing system TP

processdata generated by day-to-day business operations such as customer order processing accounts receivable and warranty claim processing. TP systems perform a series of Tasks when specific transaction occurs. TP system verifies the customers data checks the customers credit status checks the stock status etc.

Business support systems

provide job related information support to users at all levels of the company the systems can analyze transactional data generate information needed to manage and control business processes and provides information that leads to better decision-making.

modeling

provides a graphical representation of a concept or process that system developers can analyze test and modify.

Enterprise computing

refers to information systems that support companywide operations and data management requirements. The main objective of enterprise computing is to integrate a company's primary functions such as production and sales services inventory control and accounting to improve efficiency reduce costs and help managers make key decisions. it also improves data security and reliability By posing a company wide frame work for data access and storage

information-technology

refers to the combination of hardware software and services that people used to manage communicate and share information

users

sometimes called into users people inside and outside the company who will interact with the system